[PATCH] D70064: [DAGCombiner][TargetLowering] FCOPYSIGN mixed types legality

[Luís Marques via Phabricator via llvm-commits]

luismarques added a comment.

In D70064#1741400 <https://reviews.llvm.org/D70064#1741400>, @efriedma wrote:

> 1. There should be a clear query for whether the operation is legal.
> 2. We should allow generating unsupported operations before LegalizeDAG runs.
> 3. LegalizeDAG should support transforming illegal operations to legal ones.


Thanks for the clarification, that makes sense. I will rework the patch.


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D70064